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It sounds like you're describing Lugol's iodine. It's not technically "required," it's just that's what the recipe is.

Actually, in Lugol's iodine, KI is needed to improve the dissolution of iodine in water.

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15y ago

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What is the reaction between potassium bicarbonate and magnesium chloride?

When potassium bicarbonate reacts with magnesium chloride, a double displacement reaction occurs. The products of this reaction are potassium chloride and magnesium bicarbonate.


Which reaction occurred when potassium chloride and silver acetate react to produce silver chloride and potassium acetate?

When potassium chloride and silver acetate react, a double displacement reaction occurs. The potassium from potassium acetate and silver from silver chloride swap partners to form silver chloride and potassium acetate. Silver chloride is insoluble and precipitates out of the solution.


Does potassium carbonate react with hydrochloric acid?

Yes, potassium carbonate (K2CO3) will react with hydrochloric acid (HCl) to form potassium chloride (KCl), carbon dioxide (CO2), and water (H2O) in a double displacement reaction.


What is the reaction between silver nitrate and potassium iodide?

The reaction between silver nitrate and potassium iodide forms silver iodide precipitate and potassium nitrate. This reaction is a double displacement reaction where the silver ions from silver nitrate switch places with the potassium ions in potassium iodide.


What happens to titration values when you double concentration?

When you double the concentration in a titration, the volume required to reach the endpoint will decrease by half. This is because the amount of reactants needed to neutralize each other will be reached more quickly due to the higher concentration.

Related Questions

How is shaving alum made?

Shaving alum, also known as potassium alum, is typically made by dissolving aluminum sulfate in water and adding potassium sulfate to form double salts. The solution is then cooled and the resulting crystals are harvested and purified to produce shaving alum in its solid form.


What simple machine can double the amount of load being lifted with the same amount of force?

A pulley system can double the amount of load being lifted with the same amount of force. By using multiple pulleys in a system, the load is distributed, reducing the overall force required to lift it.


What are the products of potassium nitrate and potassium ferricyanide?

The reaction between potassium nitrate and potassium ferricyanide does not involve a direct single displacement or double displacement reaction. Hence, no specific products can be predicted for this combination.


Does potassium have a single double or triple bond?

Potassium typically forms ionic bonds by donating its one valence electron to another atom, rather than forming covalent bonds like single, double, or triple bonds.


What is the reaction between potassium bicarbonate and magnesium chloride?

When potassium bicarbonate reacts with magnesium chloride, a double displacement reaction occurs. The products of this reaction are potassium chloride and magnesium bicarbonate.


Is it possible ro convert a desert biome into a grassland?

Yes, but irrigation would be required and that means lots of water. A person would have to double the amount of precipitation at least.


Which reaction occurred when potassium chloride and silver acetate react to produce silver chloride and potassium acetate?

When potassium chloride and silver acetate react, a double displacement reaction occurs. The potassium from potassium acetate and silver from silver chloride swap partners to form silver chloride and potassium acetate. Silver chloride is insoluble and precipitates out of the solution.


What is the double replacement reaction for potassium fluoride reacts with hydrobromic acid?

The double replacement reaction between potassium fluoride and hydrobromic acid would result in the formation of potassium bromide and hydrofluoric acid. The balanced chemical equation for this reaction is: 2KF + 2HBr → 2KBr + 2HF.


What are the products of the double-replacement reaction between potassium chloride and silver acetate?

The products of the double-replacement reaction between potassium chloride (KCl) and silver acetate (AgC2H3O2) are potassium acetate (KC2H3O2) and silver chloride (AgCl). This reaction occurs because the potassium ion (K+) switches places with the silver ion (Ag+) to form the new compounds.


Does potassium carbonate react with hydrochloric acid?

Yes, potassium carbonate (K2CO3) will react with hydrochloric acid (HCl) to form potassium chloride (KCl), carbon dioxide (CO2), and water (H2O) in a double displacement reaction.


How much potassium do we need to consume daily?

The daily requirement of potassium is about five grams. Potassium is an essential ingredient of all the living cells. Whether vegetarian or nonvegetarian, there are plenty of potassium rich foods, such as fruits, vegetables and fish that will suit any diet.


What does lead nitrate and potassium bromide make?

Lead nitrate and potassium bromide react to form lead(II) bromide and potassium nitrate. This chemical reaction is a double displacement reaction where the cations and anions exchange partners to form the new compounds.